Roundtree Park Weather Forecast

    • 40
    • 64

    Mostly Sunny

    • 39
    • 63

    Mostly Sunny

    • 39
    • 66

    Mostly Sunny

    • 49
    • 69

    Mostly Sunny

    • 48
    • 68

    Partly Sunny

    • 50
    • 65

    Mostly Cloudy

    • 51
    • 69

    Partly Sunny

Today 23 Oct Arlington/Falls Church/Alexandria

Mostly sunny. Highs in the lower 70s.

Tonight 23 Oct Arlington/Falls Church/Alexandria

Mostly clear. Lows in the lower 40s. Northeast Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Roundtree Park Temperature Statistics

October Temperature

Washington/Reagan National Airport, DC (8.1 miles)

  • Lowest 19 October, 2026

    42.1 °F

  • Average October

    65 °F

  • Highest 14 October, 2026

    90.6 °F

Climate (2021–2026)

Washington/Reagan National Airport, DC (8.1 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    52.4 °F

  • Average 2021–2026

    60.5 °F

  • Average High 2021–2026

    69.3 °F
Get WillyWeather+ to remove ads